膝关节退行性关节炎又称膝关节肥大性关节炎，多见于老年人，因而也称作老年性关节炎。老年性退化，是引起膝关节退行性关节炎的主要原因。 中老年后，一切组织器官都会发生退行性变化；骨和关节组织也不例外，退行性变化，尤其好发于承重的关节和多活动的关节。
该调查发现，穿高跟鞋将会给女性膝关节造成额外的压力，从而增加其得关节退行性变及骨关节炎的几率。
Wearing high heels, the study found, puts extra pressure on a woman's knee joints, increasing her risks for joint degeneration and osteoarthritis.
结论胫骨高位截骨、胫骨结节旋转抬高治疗膝关节内侧间隔退行性关节炎、胫骨旋转所致髌股关节炎，符合生物力学要求，长期随访效果满意。
Conclusion it is in accordance with biomechanics to treat medial knee degenerative arthritis and patellofemoral arthritis due to tibial rotation, which has satisfactory long term result.
膝骨性关节炎是一种膝关节退行性病变，常在关节表面、边缘及软骨下形成新骨的一种疾病。
Knee Osteoarthritis (KOA) is a kind of degeneration of knee joint disease, which often present in the surface of joint, edge and beneath the cartilage forming new bone.
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